CC [M]  /home/iks/kgdboe/irqsync.o
  CC [M]  /home/iks/kgdboe/kgdboe_main.o
  CC [M]  /home/iks/kgdboe/kgdboe_io.o
/home/iks/kgdboe/kgdboe_io.c: In function ‘kgdboe_rx_handler’:
/home/iks/kgdboe/kgdboe_io.c:26:7: error: ‘kgdb_connected’ undeclared (first use in this function); did you mean ‘__NR_connect’?
  if (!kgdb_connected && (len != 1 || msg[0] == 3))
       ^~~~~~~~~~~~~~
       __NR_connect
/home/iks/kgdboe/kgdboe_io.c:26:7: note: each undeclared identifier is reported only once for each function it appears in
/home/iks/kgdboe/kgdboe_io.c:39:3: error: implicit declaration of function ‘kgdb_schedule_breakpoint’; did you mean ‘napi_schedule_prep’? [-Werror=implicit-function-declaration]
   kgdb_schedule_breakpoint();
   ^~~~~~~~~~~~~~~~~~~~~~~~
   napi_schedule_prep
/home/iks/kgdboe/kgdboe_io.c: In function ‘kgdboe_pre_exception’:
/home/iks/kgdboe/kgdboe_io.c:47:7: error: ‘kgdb_connected’ undeclared (first use in this function); did you mean ‘__NR_connect’?
  if (!kgdb_connected)
       ^~~~~~~~~~~~~~
       __NR_connect
/home/iks/kgdboe/kgdboe_io.c: In function ‘kgdboe_post_exception’:
/home/iks/kgdboe/kgdboe_io.c:58:7: error: ‘kgdb_connected’ undeclared (first use in this function); did you mean ‘__NR_connect’?
  if (!kgdb_connected)
       ^~~~~~~~~~~~~~
       __NR_connect
/home/iks/kgdboe/kgdboe_io.c: At top level:
/home/iks/kgdboe/kgdboe_io.c:104:15: error: variable ‘kgdboe_io_ops’ has initializer but incomplete type
 static struct kgdb_io kgdboe_io_ops = {
               ^~~~~~~
/home/iks/kgdboe/kgdboe_io.c:105:3: error: ‘struct kgdb_io’ has no member named ‘name’
  .name = "kgdboe",
   ^~~~
/home/iks/kgdboe/kgdboe_io.c:105:10: warning: excess elements in struct initializer
  .name = "kgdboe",
          ^~~~~~~~
/home/iks/kgdboe/kgdboe_io.c:105:10: note: (near initialization for ‘kgdboe_io_ops’)
/home/iks/kgdboe/kgdboe_io.c:106:3: error: ‘struct kgdb_io’ has no member named ‘read_char’
  .read_char = kgdboe_read_char,
   ^~~~~~~~~
/home/iks/kgdboe/kgdboe_io.c:106:15: warning: excess elements in struct initializer
  .read_char = kgdboe_read_char,
               ^~~~~~~~~~~~~~~~
/home/iks/kgdboe/kgdboe_io.c:106:15: note: (near initialization for ‘kgdboe_io_ops’)
/home/iks/kgdboe/kgdboe_io.c:107:3: error: ‘struct kgdb_io’ has no member named ‘write_char’
  .write_char = kgdboe_write_char,
   ^~~~~~~~~~
/home/iks/kgdboe/kgdboe_io.c:107:16: warning: excess elements in struct initializer
  .write_char = kgdboe_write_char,
                ^~~~~~~~~~~~~~~~~
/home/iks/kgdboe/kgdboe_io.c:107:16: note: (near initialization for ‘kgdboe_io_ops’)
/home/iks/kgdboe/kgdboe_io.c:108:3: error: ‘struct kgdb_io’ has no member named ‘flush’
  .flush = kgdboe_flush,
   ^~~~~
/home/iks/kgdboe/kgdboe_io.c:108:11: warning: excess elements in struct initializer
  .flush = kgdboe_flush,
           ^~~~~~~~~~~~
/home/iks/kgdboe/kgdboe_io.c:108:11: note: (near initialization for ‘kgdboe_io_ops’)
/home/iks/kgdboe/kgdboe_io.c:109:3: error: ‘struct kgdb_io’ has no member named ‘pre_exception’
  .pre_exception = kgdboe_pre_exception,
   ^~~~~~~~~~~~~
/home/iks/kgdboe/kgdboe_io.c:109:19: warning: excess elements in struct initializer
  .pre_exception = kgdboe_pre_exception,
                   ^~~~~~~~~~~~~~~~~~~~
/home/iks/kgdboe/kgdboe_io.c:109:19: note: (near initialization for ‘kgdboe_io_ops’)
/home/iks/kgdboe/kgdboe_io.c:110:3: error: ‘struct kgdb_io’ has no member named ‘post_exception’
  .post_exception = kgdboe_post_exception
   ^~~~~~~~~~~~~~
/home/iks/kgdboe/kgdboe_io.c:110:20: warning: excess elements in struct initializer
  .post_exception = kgdboe_post_exception
                    ^~~~~~~~~~~~~~~~~~~~~
/home/iks/kgdboe/kgdboe_io.c:110:20: note: (near initialization for ‘kgdboe_io_ops’)
/home/iks/kgdboe/kgdboe_io.c: In function ‘kgdboe_io_init’:
/home/iks/kgdboe/kgdboe_io.c:143:8: error: implicit declaration of function ‘kgdb_register_io_module’; did you mean ‘__register_one_node’? [-Werror=implicit-function-declaration]
  err = kgdb_register_io_module(&kgdboe_io_ops);
        ^~~~~~~~~~~~~~~~~~~~~~~
        __register_one_node
/home/iks/kgdboe/kgdboe_io.c: In function ‘kgdboe_io_cleanup’:
/home/iks/kgdboe/kgdboe_io.c:169:2: error: implicit declaration of function ‘kgdb_unregister_io_module’; did you mean ‘unregister_one_node’? [-Werror=implicit-function-declaration]
  kgdb_unregister_io_module(&kgdboe_io_ops);
  ^~~~~~~~~~~~~~~~~~~~~~~~~
  unregister_one_node
/home/iks/kgdboe/kgdboe_io.c: At top level:
/home/iks/kgdboe/kgdboe_io.c:104:23: error: storage size of ‘kgdboe_io_ops’ isn’t known
 static struct kgdb_io kgdboe_io_ops = {
                       ^~~~~~~~~~~~~